cataclysm
— Noun
– English
~ an event resulting in great loss and misfortune; "the whole city was affected by the irremediable calamity"; "the earthquake was a disaster"
cataclysm
— Noun
– English
~ a sudden violent change in the earth's surface
cataclysmal
— Adjective
– English
~ severely destructive; "cataclysmic nuclear war"; "a cataclysmic earthquake"
cataclysmic
— Adjective
– English
~ severely destructive; "cataclysmic nuclear war"; "a cataclysmic earthquake"